Finnish authorities stepped up security around the country after a stabbing rampage left two people dead and half a dozen wounded in a western city. One suspect was arrested after being shot by armed police and officers launched a search for other possible perpetrators following the attack in the city-centre of Turku on Friday. Press conference from Turku at Finnish Yle TV1 just started. Confirmed: 8 stabbed 2 dead. Perpetrator in custody. My heart breaks. #Turku— Elina Nikulainen (@ElinaNikulainen) August 18, 2017 But investigators said it was too early to attribute the attack to international terrorism or to link it to the attacks in Spain the previous day. “I emphasise that the identity and motive of the perpetrator are not yet known,” Paula Rissiko, the interior minister, told reporters on Friday evening. A video grab taken from Instagram shows officials standing in a street next to a person lying on the ground in the Finnish city of Turku Credit: KIRSI KANERVA/AFP About half a dozen people were seen lying on the ground in the centre of Turku, a city of 180,000 in the southwest of the country, as the attack unfolded at 4 PM local time. The police is searching for possible more perpetrators in Turku. People are asked to leave and avoid the center of Turku.— L-S poliisi (@L_S_poliisi) August 18, 2017 Witnesses reported seeing seeing a woman with stroller being attacked by a man with a large knife. Aftermath of stabbings in Turku, Finland 00:37 Video footage filmed shortly after the attack showed people running in a panic down one of the city's main streets. "Nothing is known about the motives … or what precisely has happened in Turku," Seppo Kolehmainen, Finland’s top police chief, told the country’s YLE broadcaster. Images taken just after attack in #Turkupic.twitter.com/xrY7Z9eZW2— Stoonbrace (@Stoonbrace) August 18, 2017 The suspect in custody, who was detained after police shot him, has not been named. Police announced Turku was “safe” again on Friday evening, suggesting their manhunt for other attackers had been called off. Armed police had reinforced security at Helsinki airport and train stations following the attack, which comes amid a heightened tensions following yesterday's terrorist attack in Barcelona. Armed policemen on duty at Helsinki airport after a stabbing attack in the city of Turku Credit: LEHTIKUVA/Reuters In 2012, Finland's then-prime minister Jyrki Katainen escaped a knife attack in Turku while campaigning for municipal elections. Finland's Security Intelligence Service (Supo) earlier said it had no indication that individuals in Finland were linked to the Barcelona attacks and that the country's threat assessment would remain unchanged, at an "elevated" level.